BD25HA3MEFJ-ME2

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The BD25HA3MEFJ-ME2 is a single-output fixed linear low-dropout regulator manufactured by Rohm Semiconductor. It provides a fixed output voltage of 2.5 V with a maximum output current of 300 mA. The device operates within an input voltage range up to 8 V and features a typical dropout voltage of 600 mV, with a maximum specified at 1.2 V under full load conditions. It includes internal protection circuits for overcurrent, thermal shutdown, and soft start functionality. The component is designed for surface mount installation in an 8-HTSOP-J package with a bare pad. It supports an operating temperature range from -40°C to +105°C and holds AEC-Q100 qualification.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• Integrated protection mechanisms including overcurrent protection, thermal shutdown, and soft start to ensure operational safety.
• AEC-Q100 qualified for automotive grade reliability standards.
• Fixed output configuration with high accuracy regulation.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• Automotive electronic systems requiring stable 2.5V power rails
• On-board infotainment and control unit power management
• Sensor interface circuits in automotive environments

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify the specific ordering suffix and manufacturer part number against official Rohm Semiconductor documentation prior to procurement. Confirm that the component status aligns with design requirements, as availability and lifecycle status may vary. Ensure that the package type and pinout match the intended PCB footprint. Cross-reference the AEC-Q100 qualification date and RoHS compliance status with the latest datasheet to guarantee regulatory adherence for the target application.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this component when a fixed 2.5V output is required with a maximum load current of 300 mA in automotive applications. Consider the 8-HTSOP-J package size and thermal performance characteristics relative to the board layout. Evaluate the input voltage range against the system supply to ensure adequate headroom for the specified dropout voltage. Verify compatibility with ceramic output capacitors if minimizing component count is a priority.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This part belongs to the BD25HA series of low-dropout regulators designed for automotive use. It shares the HTSOP-J8 package and basic protection features with other variants in the family, differing primarily in output voltage settings. The series is engineered to meet automotive environmental and reliability standards, offering a compact solution for power management in space-constrained electronic modules.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

Consult official substitution lists for direct replacements. Variants such as BD15HA3MEFJ-ME2 or BD33HA3MEFJ-ME2 offer different fixed output voltages but share similar package and feature sets. Ensure any substitute maintains the same output voltage, current capability, and automotive qualification level.